Home / 154,047.80-231,071.70-147,924.20

Finding the Fourth Proportional to 154,047.80, 231,071.70 and 147,924.20

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Solution

The fourth proportional to 154,047.80, 231,071.70 and 147,924.20 is: 221,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,047.80 : 231,071.70 = 147,924.20 : x
  2. Step 2: Convert to fraction form
    154,047.80/231,071.70 = 147,924.20/x
  3. Step 3: Cross multiply
    154,047.80x = 231,071.70 × 147,924.20
  4. Step 4: Simplify right side
    154,047.80x = 34,181,096,365.14
  5. Step 5: Solve for x
    x = 34,181,096,365.14/154,047.80
  6. Step 6: Final answer
    x = 221,886.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.